title: Levodopa: long-term impact on Parkinson's disease.
mesh_terms: D001342:Autonomic Nervous System Diseases / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007980:Levodopa / Q000627:therapeutic use; D010300:Parkinson Disease / Q000175:diagnosis; D012791:Shy-Drager Syndrome / Q000175:diagnosis*
chemical_list: D007980:Levodopa